America's Most Stressful Jobs 2010

With unemployment high, many people with jobs are grateful to get their weekly paychecks, but that feeling alone doesn't take the stress out of the daily grind.

To get a sense of the most stressful jobs in America, CareerCast.com looked at 21 different factors that can cause stress on the job, and ranked 200 professions by how significantly these demands factor into the average workday. Factors that weighed into stress levels included work environment, job competitiveness, opportunity for advancement and even perceived risk of unemployment.

CareerCast has also includes a range of unemployment each profession faces around the country, a number which contributes to perceived risk of unemployment.

So, what are the most stressful jobs in America? Click ahead to find out!